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Escape
STE
WASTPower
How the right oil saves gasoline
T HE only thing that
sends powerthrough
the engine is the gas ex
plosion.
SIf
the combustion
chamber is sealed tight
the explosion acts with
full force on the piston
S head.
SBut
unless the combustion
chamber is kept tightly sealed,
part of each explosion escapes.
S The result is weakened power,
and wasted gasoline.
Right here sealing the pis
ton rings comes in as an im
portant factor. Only one thing
can prevent escape of power
past the piston rings.
That is
a proper piston ring seal.
Your lubricating oil must
provide this seal. But piston
clearances vary in different
types of motors-from .002 of
an inch to .oio of an inch.
Different motors therefore de
mand oils of different body.
Today thousands of cars are
wasting power, and gasoline
with every piston stroke
simply because their lubricating
oil does not properly seal the
piston rings.
Compression is
lost. Part of each explosion
escapes past the piston rings.
This power-loss means waste
of gasoline on level roads. It
means also lessened power on
the hills.
In the chart on the right
you will find the correct grade
of Gargoyle Mobiloils for your
car. Among the many impor-
"Mention the Geographic-It identifies you.'
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